/**
* get a new name, that does not exist under specified $pid
*
* If there is no any active (not deleted) object with specied name under $pid
* then same name is returned.
* If name exists then a new name will be generated with " (<number>)" at the end.
* Note that extension is not changed.
* Extension is considered any combination of chars delimited by dot
* at the end of an object and its length is less than 5 chars.
*
* @param int $pid parent id
* @param varchar $name desired name
* @return varchar new name
*/
public static function getAvailableName($pid, $name)
{
$newName = $name;
$a = explode('.', $name);
$ext = '';
if (sizeof($a) > 1 && sizeof($a) < 5) {
$ext = array_pop($a);
}
$name = implode('.', $a);
/* get similar names*/
$names = DM\Tree::getChildNames($pid, $name, $ext);
$i = 1;
while (in_array($newName, $names)) {
$newName = $name . ' (' . $i . ')' . (empty($ext) ? '' : '.' . $ext);
$i++;
}
return $newName;
}
